Remove stains and buildup from your pool surface with the Porpoise Pool Rust Stone. The Pool Rust Stone can be used by hand or attached to any standard telescopic pool pole. It's very simple and effective!
The Porpoise Pool Rust Stone is a great spot stain remover and eliminates most types of stains and deposits including rust, calcium, scale, pool algae, and many others with just a small amount of effort.
Note: This rust stone is made of pumice and can only be used on gunite / plaster pools. Do not use on vinyl pool liners.